Table 2. Patients with Katayama syndrome.

Patient	Destination	Purpose	Visit	DPEa	DPOb	DPTc	LEUKd	EOe	EIAf	Cell-free DNA copies per mLg
1	Mozambique	Professional	First	42	14		13.6	20.9	+	57227.85
			Second	210	195	156	5.3	3.6	+	21.42
2	Ethiopia	Professional	First	42	15		10.2	26	−	27930.64
			Second	135	120	79	7.3	4.1	+	1584.80
3	Uganda	Professional	First	56	18		10.1	19	+	21.42
			Second	270	250	200	4.9	2.6	+	5.10
4	Uganda	Professional	First	12	20		7.3	22	+	10.45
			Second	460	445	434	6.9	5.0	+	2.49
5	Malawi	Tourist	First	20	2		6.2	6.5	+	10.45
			Second	750	740	716	5.2	0.8	+	−
6	Mozambique	Tourist	First	56	21		50.7	65	−	13631.84
7	Jemen	Tourist	First	54	14		6.7	23	+	773.48
8	Malawi	Tourist	First	35	8		4.9	19.7	−	184.24

^aDays post exposure with fresh water (most likely event).

^bDays post onset of symptoms.

^cDays post treatment for second visits.

^dLeukocyte count (n per nL). Average leukocyte count in patients 1 to 5: first visit, 9.48 cells/nl; second visit, 5.92 cells/nl (p<0.0017).

^ePercent eosinophiles in total leukocytes. Average eosinophile fraction in patients 1 to 5: first visit, 18.88%; second visit: 3.2% (p<0.033).

^fEnzyme immunoassay.

^gNote that 10 mL of plasma were processed. 1 copy per mL = 1.67 copies per PCR vial.